Solitons: Differential equations, symmetries, and infinite-dimensional algebras
《Solitons: Differential equations, symmetries, and infinite-dimensional algebras》 · 第 77 页 · Section 3.10「Generic Points」
If $Z$ is a subset of $X$, then a point $z\in Z$ is called a generic point of $Z$ if $\overline{\{z\}}$ is dense in $Z$.